Exam 12: Drainage Basins and Drainage Patterns

If a stream originates in a humid region,but subsequently flows through an arid region,discharge is likely highest

A 50-year flood has an annual exceedance probability of

Drainage density is determined by

A(n)_______is a meander that becomes isolated from the rest of the river.

A drainage basin is defined by ridges that form drainage divides.

Which of the following is used to measure streamflow?

The higher the sinuosity,the straighter the stream channel.

A drainage divide that separates drainage basins that empty into different bodies of water surrounding a continent are known as

Which of the following is INCORRECTLY matched?

The effect of urbanization on a typical stream hydrograph is to

Drainage basins are________ systems.

The average size of sediment in a natural levee is_______ that found in the surrounding floodplain.

Give the equation for stream discharge.What happens to stream velocity if discharge and depth remain the same,but width increases?

Flood control often produces conditions of worse flooding in subsequent high -water events.

Processes that are related expressly to streams and rivers are termed

Structural domes with concentric patterns of rock strata guide stream courses to form this drainage pattern.

As a streamʹs velocity decreases,which of the following sizes of sediments will be deposited last?

The ultimate base level is

The ultimate base level is sea level.

Describe the formation of alluvial fans and bajadas.